Home / 755,756.77-1,042,867.23-465,322.27

Finding the Fourth Proportional to 755,756.77, 1,042,867.23 and 465,322.27

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Solution

The fourth proportional to 755,756.77, 1,042,867.23 and 465,322.27 is: 642,097.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,756.77 : 1,042,867.23 = 465,322.27 : x
  2. Step 2: Convert to fraction form
    755,756.77/1,042,867.23 = 465,322.27/x
  3. Step 3: Cross multiply
    755,756.77x = 1,042,867.23 × 465,322.27
  4. Step 4: Simplify right side
    755,756.77x = 485,269,346,772.21
  5. Step 5: Solve for x
    x = 485,269,346,772.21/755,756.77
  6. Step 6: Final answer
    x = 642,097.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.